Zhen Liu / Mbed 2 deprecated HW2_P7

problem 7 for HW 2

Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by mbed official

main.cpp@1:d8f90021eb1a, 2015-02-18 (annotated)

Committer:
lzzcd001
Date:
Wed Feb 18 14:52:56 2015 +0000
Revision:
1:d8f90021eb1a
Parent:
0:bdbd3d6fc5d5 
problem 7 for HW 2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:bdbd3d6fc5d5 1 #include "mbed.h"
mbed_official 0:bdbd3d6fc5d5 2 #include "SDFileSystem.h"
lzzcd001 1:d8f90021eb1a 3 #include <string>
mbed_official 0:bdbd3d6fc5d5 4
mbed_official 0:bdbd3d6fc5d5 5 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
mbed_official 0:bdbd3d6fc5d5 6
mbed_official 0:bdbd3d6fc5d5 7 int main() {
mbed_official 0:bdbd3d6fc5d5 8 printf("Hello World!\n");
lzzcd001 1:d8f90021eb1a 9 //for(i=0; 1; i++) if(fgetc(file) == EOF) break;
lzzcd001 1:d8f90021eb1a 10
lzzcd001 1:d8f90021eb1a 11 //fseek(file, 0, SEEK_SET);
lzzcd001 1:d8f90021eb1a 12
lzzcd001 1:d8f90021eb1a 13 char *out = (char*) malloc(sizeof(char) * 100+1);
mbed_official 0:bdbd3d6fc5d5 14 mkdir("/sd/mydir", 0777);
mbed_official 0:bdbd3d6fc5d5 15
mbed_official 0:bdbd3d6fc5d5 16 FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
mbed_official 0:bdbd3d6fc5d5 17 if(fp == NULL) {
mbed_official 0:bdbd3d6fc5d5 18 error("Could not open file for write\n");
mbed_official 0:bdbd3d6fc5d5 19 }
lzzcd001 1:d8f90021eb1a 20 fprintf(fp, "Hello fun SD Card World!");
lzzcd001 1:d8f90021eb1a 21
lzzcd001 1:d8f90021eb1a 22 FILE *fpd = fopen("/sd/sdtest.txt", "r");
lzzcd001 1:d8f90021eb1a 23 if(fp == NULL) {
lzzcd001 1:d8f90021eb1a 24 error("Could not open file for write\n");
lzzcd001 1:d8f90021eb1a 25 }
lzzcd001 1:d8f90021eb1a 26 fscanf(fpd,"%s",out);
lzzcd001 1:d8f90021eb1a 27
lzzcd001 1:d8f90021eb1a 28 if(fp == NULL) {
lzzcd001 1:d8f90021eb1a 29 error("Could not open file for write\n");
lzzcd001 1:d8f90021eb1a 30 }
lzzcd001 1:d8f90021eb1a 31 fprintf(fp, out);
mbed_official 0:bdbd3d6fc5d5 32 fclose(fp);
lzzcd001 1:d8f90021eb1a 33 fclose(fpd);
mbed_official 0:bdbd3d6fc5d5 34 printf("Goodbye World!\n");
mbed_official 0:bdbd3d6fc5d5 35 }